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Finding the Fourth Proportional to 153,920.08, 230,903.20 and 54,062.67

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Solution

The fourth proportional to 153,920.08, 230,903.20 and 54,062.67 is: 81,102.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,920.08 : 230,903.20 = 54,062.67 : x
  2. Step 2: Convert to fraction form
    153,920.08/230,903.20 = 54,062.67/x
  3. Step 3: Cross multiply
    153,920.08x = 230,903.20 × 54,062.67
  4. Step 4: Simplify right side
    153,920.08x = 12,483,243,503.54
  5. Step 5: Solve for x
    x = 12,483,243,503.54/153,920.08
  6. Step 6: Final answer
    x = 81,102.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.